• Hard disk memory—The printer hard disk is designed for printer-specific functionality and cannot be used for
the long‑term storage of data that is not print-related. The hard disk can retain buffered user data from complex
print jobs, form data, and font data.
To erase volatile memory, turn off the printer.
To erase the non-volatile and printer hard disk memory, see
“Configuration Menu” on page 229.
The following parts are capable of storing memory:
• Printer control panel
• User interface controller card (UICC)
• Controller board
• Optional hard disk
Note: The control panel and controller board contain NVRAM.
2 After removing the old part, return it to your next level of support.
Tools required for service
• Flat-blade screwdrivers, various sizes
• #1 Phillips screwdriver, magnetic
• #2 Phillips screwdriver, magnetic
• #2 Phillips screwdriver, magnetic short-blade
• Needle‑nose pliers
• Diagonal side cutters
• Spring hook
• Feeler gauges
• Analog or digital multimeter
• Flashlight (optional)
7421
General information
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